
The 2020 Supra SL 400 is a serious wake machine that punches well above its class, delivering an exhilarating on-water experience that wake surfers and wakeboarders alike will absolutely love. Stretching 23 feet and powered by an Indmar 400 Raptor pushing a full 400 horsepower, this boat generates the kind of deep, long wakes that serious riders dream about — all wrapped in a striking Dark Red hull that turns heads at every marina.
Offered right here in Nashville/Gallatin, this used 2020 Supra SL 400 represents an incredible opportunity to step into a premium wake sport platform without the new-boat premium price tag. Supra is renowned for engineering excellence and hull innovation, and the SL 400 is a standout example of that legacy — purpose-built for performance, comfort, and style all in one package. With 400 horses on tap, you'll have more than enough power to dial in your perfect wave, tow a crew of riders, or simply enjoy a spirited cruise across the lake.
Priced at $99,999, this Supra SL 400 offers exceptional value for a boat of this caliber and capability. Whether you're chasing your next wake surf session on Percy Priest Lake or entertaining friends and family on the water, this boat is ready to deliver the goods. Don't miss your chance to own one of the most capable wake boats on the used market — contact us today to schedule a showing or sea trial.
Based on 11 reviews from across the web
The SL 400 holds up well when measured against its competition. Boating Magazine called it one of the best all-around wakeboats in its class, and Power Boating Magazine found it capable across every performance category. We hear similar things from owners who have surfed behind the SL consistently over multiple seasons.
Where the SL genuinely stands out is surf performance and wave-shaping technology. The onboard ballast system, intuitive stern thruster control, and AutoWake system give riders a high degree of customization without a steep learning curve. One owner noted that the SL tracks straight in surf mode, which is a real-world advantage worth knowing. Fit and finish are strong, though some forum comparisons put a competitor or two a small step ahead in that area.
Opinions on how it stacks up overall vary from owner to owner. Most who spend time behind it come away impressed, but a handful of forum voices note that the competitive segment is strong and the SL does not dramatically separate itself from the pack. For buyers who want proven surf and wake performance with solid technology built in, it covers a lot of ground.
We hear consistently strong feedback on surf performance. The combination of the Swell Surf System and standard subfloor ballast gives riders a lot of shaping flexibility, and the boat tracks straight in surf mode without pulling to one side.
The SL uses an intuitive rotating knob on the shifter to control the stern thruster, which owners find easy to dial in compared to button-based systems on some competitors.
It is genuinely strong, though a few owners who have compared it directly to competitors like Nautique rate it just a small notch below in overall fit and finish. Most find it well within the premium range.
The 2020 SL comes equipped with the Vision Control System, AutoWake System, Swell Surf System, JL Audio cabin speakers, Auto Leveling System, and a wireless charging pad as standard features.
We have seen it used by owners who compete at the pro level in surfing, so it has real pedigree in that area. Boating Magazine placed it among the best all-around wakeboats in its class.
It runs on par with strong competitors in the segment, and most owners who spend time on the water with it come away satisfied. A few forum comparisons note the segment is competitive, so there are capable alternatives, but the SL holds its own well.
Summarized by AI from public sources across the web — owner forums, marine publications, and other boating sites. Provided for research; not authored or endorsed by the dealership.
Nashville/Gallatin
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(865) 693-9949Nashville/Gallatin
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Or call us directly:
(865) 693-9949Connect with us to learn more about this boat or schedule a visit
Or call us: (865) 693-9949
Based on brand, condition, and year


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